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Synthesis of Ultra-thin Potassium Tungsten Bronze Single Crystals with Optically Contrasting Domains and Resistive Switching
Abdulsalam Aji Suleiman, Amir Parsi, Hafiz Muhammad Shakir, Hamid Reza Rasouli, Doruk Pehlivano\u{g}lu, Talip Serkan Kas{\i}rga
https://arxiv.org/abs/2509.13693

Synthesis of Ultra-thin Potassium Tungsten Bronze Single Crystals with Optically Contrasting Domains and Resistive Switching
Potassium tungsten bronzes (K$_x$WO$_3$) are nonstoichiometric oxides in which alkali ions, i.e., K+, occupy one-dimensional tunnels of the hexagonal WO6 framework, enabling coupled ionic-lectronic transport. While their bulk and nanostructured forms have been studied extensively, controlled synthesis of single-crystalline mesoscale samples suitable for device fabrication has remained limited. Here, we report a solid-liquid-solid (SLS) growth strategy that yields high-quality K$_x$WO$_3$ nanobe…